Calculators that respond to their environment. All of the financial calculators here at CalcXML have been designed following responsive web design principles, adapting to the size of the screen on which they are displayed. From the smallest cell phone to the largest desktop monitor, all of your web visitors will be happy with these financial calculators.
Dichlorodiphenyltrichloroethane (DDT) Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972, but some countries still use the chemical.
Khat is illegal in the US and most of Europe. Khat was only made illegal in the UK in July 2013. When it became illegal, there were 3,000 tons of the drug passing through the countryâs airports each year.n Eastern Africa and the surrounding region, khat use can be found in Kenya, Yemen, Uganda, Ethiopia and Madagascar. In Yemen, the drug is used by an overwhelming number of the population.